Wall fixture mounting base



FIG. 1 is a front perspective view of a wall fixture mounting base showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front perspective view showing the wall fixture mounting base and three lamp holders shown in a dotted line, for illustrative purposes only. 

The ornamental design for a wall fixture mounting base, as shown and described. 